<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <form action="http://localhost:8080/login" method="post"></form>
    <p>用户名:<input type="text" name='user_name'></p>
    <p>密码:<input type="text" name='password'></p>
    <input type="submit" value="login">
</body>

</html>